The costs of breed reconstruction from cryopreserved material in mammalian livestock species.
Abstract: The aim of this work was to compare costs, in the horse, cattle, sheep, swine, and rabbit species, for the creation of gene banks for reconstruction of an extinct breed, using different strategies: embryos-only, embryos in combination with semen, and semen-only. Three cost measures were used: time required for population reconstruction, cost for creation of the gene bank, number of years-keeping-female to reach reconstruction. Semen costs were estimated across four scenarios: the presence or absence of a commercial market for semen, purchase of semen donors, and semen extracted from the epididymus. The number of cells were doubled to take into account the creation of two storage sites. The strategy embryos-only required the shortest time to reach reconstruction. With the strategy embryos + semen, time increased with decreasing proportions of embryos. With semen-only, reconstruction time varied from 2 to 21 years. A high variation of costs was observed across species and strategies, from 360 Euros in the rabbit to 1,092,300 in the horse. In all species, the embryos-only strategy was about 10% more expensive than using 90% embryos + semen. Decreasing the percentage of embryos further diminished costs. The number of years-keeping-female ranged across strategies, from 2 in the rabbit, to a maximum of 12,878 in the horse.
Publication Date: 2007-07-06 PubMed ID: 17612484PubMed Central: PMC2682823DOI: 10.1186/1297-9686-39-4-465Google Scholar: Lookup
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- Journal Article
- Research Support
- Non-U.S. Gov't
Summary
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The research explores cost comparisons of creating gene banks to reconstruct extinct breeds in mammalian livestock species using different strategies. It includes an estimation of the time and resources needed for population reconstruction using strategies such as embryos-only, emulation of embryos with semen, and semen-only.
Research Methods for Cost Comparison
- The study assessed costs and time required for the reconstruction of an extinct breed in various livestock species, namely horses, cattle, sheep, swine, and rabbits.
- Three distinct strategies were evaluated: embryos-only, using a combination of embryos and semen, and using semen-only.
- Cost measures included the time needed for population reconstruction, the expense for creating the gene bank, and the number of years a female needs to be kept to achieve reconstruction.
- The costs for semen were estimated under four conditions: with or without a commercial market for semen, the purchase of semen donors, and semen extracted directly from the epididymus (a duct behind the testis).
Findings of the Cost Comparisons
- The study found an array of time frames required for reconstruction across species and strategies, ranging from 2 to 21 years. The embryos-only strategy required the least time for reconstruction.
- There was considerable variation in costs across species and strategies, ranging from 360 Euros for rabbits to over 1 million Euros for horses.
- Using the embryos-only strategy was found to be about 10% more expensive than using a combination of 90% embryos + semen. Further decreasing the embryo percentage led to lower costs.
Conclusion and Implications
- The research concluded that a significant variation in costs and time exists for breed reconstruction across different mammalian livestock species.
- The selection of suitable strategies and planning according to the species and resources available is critical for efficient and cost-effective breed reconstruction.
Cite This Article
APA
Gandini G, Pizzi F, Stella A, Boettcher PJ.
(2007).
The costs of breed reconstruction from cryopreserved material in mammalian livestock species.
Genet Sel Evol, 39(4), 465-479.
https://doi.org/10.1186/1297-9686-39-4-465 Publication
Researcher Affiliations
- Department VSA, Università degli Studi di Milano, Milan, Italy. gustavo.gandini@unimi.it
MeSH Terms
- Animals
- Animals, Domestic / embryology
- Animals, Domestic / genetics
- Biological Specimen Banks / economics
- Cattle / embryology
- Cattle / genetics
- Cryopreservation
- Embryo, Mammalian
- Female
- Horses / embryology
- Horses / genetics
- Male
- Rabbits / embryology
- Rabbits / genetics
- Semen
- Semen Preservation / veterinary
- Sheep / embryology
- Sheep / genetics
- Swine / embryology
- Swine / genetics
- Tissue Donors
- Tissue Preservation
Citations
This article has been cited 2 times.- Kugonza DR, Nabasirye M, Hanotte O, Mpairwe D, Okeyo AM. Pastoralists' indigenous selection criteria and other breeding practices of the long-horned Ankole cattle in Uganda. Trop Anim Health Prod 2012 Mar;44(3):557-65.
- Duchev Z, Cong TV, Groeneveld E. CryoWEB: Web software for the documentation of the cryo-preserved material in animal gene banks. Bioinformation 2010 Nov 1;5(5):219-20.
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